Alert archive / Oklahoma / Tornado Warnings in 2016

Tornado Warning 12, NWS Norman, OK

April 29, 2016Hughes County, Oklahoma

NWS Norman, OK issued this tornado warning at Apr 29, 2016, 7:34 PM CDT for Hughes County, Oklahoma. It was in force for 12 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 29, 2016, 7:34 PM CDT (00:34 UTC)
Expired: Apr 29, 2016, 7:46 PM CDT
In force: 12 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Hughes County, OK

The radar

The Norman radar (KTLX), 116 km from the middle of the area, began a volume at 00:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Apr 29, 7:35 PM CDT	TSTM WND DMG	4 Sw Stuart, OK	NUMEROUS TREES DOWN. DAMAGE MAY BE CAUSED BY A POSSIBLE TORNADO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 29, 1:57 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.6 hours before the alert went out and 121 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1056 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: -120 m²/s²
0-3 km storm-relative helicity: -57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

753 
WFUS54 KOUN 300034
TOROUN
OKC063-300100-
/O.NEW.KOUN.TO.W.0012.160430T0034Z-160430T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
734 PM CDT FRI APR 29 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN HUGHES COUNTY IN SOUTHEASTERN OKLAHOMA...

* UNTIL 800 PM CDT
    
* AT 734 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED 4 MILES SOUTHWEST OF STUART...MOVING EAST AT 35 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  STUART.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A STORM SHELTER...SAFE ROOM OR AN INTERIOR
ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A
MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3480 9610 3480 9620 3491 9624 3497 9609
TIME...MOT...LOC 0034Z 253DEG 28KT 3486 9616 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

30

1 follow-up statement

868 
WWUS54 KOUN 300046
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
746 PM CDT FRI APR 29 2016

OKC063-300056-
/O.CAN.KOUN.TO.W.0012.000000T0000Z-160430T0100Z/
HUGHES OK-
746 PM CDT FRI APR 29 2016

...THE TORNADO WARNING FOR SOUTHEASTERN HUGHES COUNTY IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER GUSTY WINDS ARE
STILL POSSIBLE WITH THIS THUNDERSTORM.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
HUGHES AND NORTHEASTERN COAL COUNTIES UNTIL 815 PM.

LAT...LON 3480 9610 3480 9620 3491 9624 3497 9609
TIME...MOT...LOC 0043Z 253DEG 28KT 3489 9605 

$$

30

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 7:05 PM CDT	Special Weather Statement	OUN	Atoka, Bryan, Coal, Hughes, Johnston, Love and 3 more	55 min
Apr 29, 7:23 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes	38 min
Apr 29, 7:40 PM CDT	Areal Flood Warning	OUN	Cleveland, Grady, McClain	3 hr
Apr 29, 8:02 PM CDT	Special Weather Statement	OUN	Atoka	43 min
Apr 30, 12:46 PM CDT	River Flood Warning	OUN	Atoka	7 hr

Nearby

Tornado Warnings in Oklahoma, 2016 Every tornado warning in 2016 Tornadoes in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.